TSTP Solution File: SYO062^4.002 by Lash---1.13

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Lash---1.13
% Problem  : SYO062^4.002 : TPTP v8.1.2. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : lash -P picomus -M modes -p tstp -t %d %s

% Computer : n006.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep  1 04:44:58 EDT 2023

% Result   : Theorem 0.18s 0.62s
% Output   : Proof 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :   95
% Syntax   : Number of formulae    :  104 (  30 unt;   7 typ;  23 def)
%            Number of atoms       :  309 (  23 equ;   3 cnn)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  513 (  94   ~;  39   |;   1   &; 254   @)
%                                         (  33 <=>;  92  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   30 (  30   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   64 (  60 usr;  61 con; 0-2 aty)
%            Number of variables   :  109 (  37   ^;  70   !;   2   ?; 109   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ty_eigen__7,type,
    eigen__7: $i ).

thf(ty_eigen__0,type,
    eigen__0: $i ).

thf(ty_a,type,
    a: $i > $o ).

thf(ty_eigen__1,type,
    eigen__1: $i ).

thf(ty_irel,type,
    irel: $i > $i > $o ).

thf(ty_eigen__8,type,
    eigen__8: $i ).

thf(ty_eigen__3,type,
    eigen__3: $i ).

thf(h0,assumption,
    ! [X1: $i > $o,X2: $i] :
      ( ( X1 @ X2 )
     => ( X1 @ ( eps__0 @ X1 ) ) ),
    introduced(assumption,[]) ).

thf(eigendef_eigen__3,definition,
    ( eigen__3
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( irel @ eigen__1 @ X1 )
           => ~ ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ( a @ X2 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__3])]) ).

thf(eigendef_eigen__1,definition,
    ( eigen__1
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( irel @ eigen__0 @ X1 )
           => ( ~ ! [X2: $i] :
                    ( ( irel @ X1 @ X2 )
                   => ( a @ X2 ) )
             => ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ~ ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ( a @ X3 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__1])]) ).

thf(eigendef_eigen__8,definition,
    ( eigen__8
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( irel @ eigen__7 @ X1 )
           => ( a @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__8])]) ).

thf(eigendef_eigen__7,definition,
    ( eigen__7
    = ( eps__0
      @ ^ [X1: $i] :
          ~ ( ( irel @ eigen__3 @ X1 )
           => ( ~ ! [X2: $i] :
                    ( ( irel @ X1 @ X2 )
                   => ( a @ X2 ) )
             => ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ~ ! [X3: $i] :
                        ( ( irel @ X2 @ X3 )
                       => ( a @ X3 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[eigen__7])]) ).

thf(sP1,plain,
    ( sP1
  <=> ! [X1: $i,X2: $i,X3: $i] :
        ( ~ ( ( irel @ X1 @ X2 )
           => ~ ( irel @ X2 @ X3 ) )
       => ( irel @ X1 @ X3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP1])]) ).

thf(sP2,plain,
    ( sP2
  <=> ( irel @ eigen__1 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP2])]) ).

thf(sP3,plain,
    ( sP3
  <=> ! [X1: $i] :
        ( ( irel @ eigen__0 @ X1 )
       => ( ~ ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ( a @ X2 ) )
         => ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ~ ! [X3: $i] :
                    ( ( irel @ X2 @ X3 )
                   => ( a @ X3 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP3])]) ).

thf(sP4,plain,
    ( sP4
  <=> ! [X1: $i,X2: $i] :
        ( ~ ( ( irel @ eigen__3 @ X1 )
           => ~ ( irel @ X1 @ X2 ) )
       => ( irel @ eigen__3 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP4])]) ).

thf(sP5,plain,
    ( sP5
  <=> ! [X1: $i,X2: $i] :
        ( ~ ( ( irel @ eigen__0 @ X1 )
           => ~ ( irel @ X1 @ X2 ) )
       => ( irel @ eigen__0 @ X2 ) ) ),
    introduced(definition,[new_symbols(definition,[sP5])]) ).

thf(sP6,plain,
    ( sP6
  <=> ( ( irel @ eigen__3 @ eigen__7 )
     => ( ~ ! [X1: $i] :
              ( ( irel @ eigen__7 @ X1 )
             => ( a @ X1 ) )
       => ! [X1: $i] :
            ( ( irel @ eigen__7 @ X1 )
           => ~ ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ( a @ X2 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP6])]) ).

thf(sP7,plain,
    ( sP7
  <=> ( ( irel @ eigen__3 @ eigen__7 )
     => ~ ( irel @ eigen__7 @ eigen__8 ) ) ),
    introduced(definition,[new_symbols(definition,[sP7])]) ).

thf(sP8,plain,
    ( sP8
  <=> ! [X1: $i] :
        ( ~ ( ( irel @ eigen__0 @ eigen__1 )
           => ~ ( irel @ eigen__1 @ X1 ) )
       => ( irel @ eigen__0 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP8])]) ).

thf(sP9,plain,
    ( sP9
  <=> ( irel @ eigen__7 @ eigen__8 ) ),
    introduced(definition,[new_symbols(definition,[sP9])]) ).

thf(sP10,plain,
    ( sP10
  <=> ( irel @ eigen__0 @ eigen__0 ) ),
    introduced(definition,[new_symbols(definition,[sP10])]) ).

thf(sP11,plain,
    ( sP11
  <=> ! [X1: $i] :
        ( ( irel @ eigen__3 @ X1 )
       => ( ~ ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ( a @ X2 ) )
         => ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ~ ! [X3: $i] :
                    ( ( irel @ X2 @ X3 )
                   => ( a @ X3 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP11])]) ).

thf(sP12,plain,
    ( sP12
  <=> ! [X1: $i] :
        ( ~ ( ( irel @ eigen__3 @ eigen__7 )
           => ~ ( irel @ eigen__7 @ X1 ) )
       => ( irel @ eigen__3 @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP12])]) ).

thf(sP13,plain,
    ( sP13
  <=> ( ~ ( ( irel @ eigen__0 @ eigen__1 )
         => ~ sP2 )
     => ( irel @ eigen__0 @ eigen__3 ) ) ),
    introduced(definition,[new_symbols(definition,[sP13])]) ).

thf(sP14,plain,
    ( sP14
  <=> ( sP2
     => ~ ! [X1: $i] :
            ( ( irel @ eigen__3 @ X1 )
           => ( a @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP14])]) ).

thf(sP15,plain,
    ( sP15
  <=> ( sP9
     => ( a @ eigen__8 ) ) ),
    introduced(definition,[new_symbols(definition,[sP15])]) ).

thf(sP16,plain,
    ( sP16
  <=> ( ( irel @ eigen__0 @ eigen__1 )
     => ( ~ ! [X1: $i] :
              ( ( irel @ eigen__1 @ X1 )
             => ( a @ X1 ) )
       => ! [X1: $i] :
            ( ( irel @ eigen__1 @ X1 )
           => ~ ! [X2: $i] :
                  ( ( irel @ X1 @ X2 )
                 => ( a @ X2 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP16])]) ).

thf(sP17,plain,
    ( sP17
  <=> ( irel @ eigen__0 @ eigen__1 ) ),
    introduced(definition,[new_symbols(definition,[sP17])]) ).

thf(sP18,plain,
    ( sP18
  <=> ( sP17
     => ~ sP2 ) ),
    introduced(definition,[new_symbols(definition,[sP18])]) ).

thf(sP19,plain,
    ( sP19
  <=> ( irel @ eigen__0 @ eigen__3 ) ),
    introduced(definition,[new_symbols(definition,[sP19])]) ).

thf(sP20,plain,
    ( sP20
  <=> ( irel @ eigen__3 @ eigen__8 ) ),
    introduced(definition,[new_symbols(definition,[sP20])]) ).

thf(sP21,plain,
    ( sP21
  <=> ( ~ ! [X1: $i] :
            ( ( irel @ eigen__7 @ X1 )
           => ( a @ X1 ) )
     => ! [X1: $i] :
          ( ( irel @ eigen__7 @ X1 )
         => ~ ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ( a @ X2 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP21])]) ).

thf(sP22,plain,
    ( sP22
  <=> ( sP19
     => ~ sP11 ) ),
    introduced(definition,[new_symbols(definition,[sP22])]) ).

thf(sP23,plain,
    ( sP23
  <=> ! [X1: $i] :
        ( ( irel @ eigen__3 @ X1 )
       => ( a @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP23])]) ).

thf(sP24,plain,
    ( sP24
  <=> ! [X1: $i] :
        ( ( irel @ eigen__0 @ X1 )
       => ~ ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ( ~ ! [X3: $i] :
                      ( ( irel @ X2 @ X3 )
                     => ( a @ X3 ) )
               => ! [X3: $i] :
                    ( ( irel @ X2 @ X3 )
                   => ~ ! [X4: $i] :
                          ( ( irel @ X3 @ X4 )
                         => ( a @ X4 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP24])]) ).

thf(sP25,plain,
    ( sP25
  <=> ( sP20
     => ( a @ eigen__8 ) ) ),
    introduced(definition,[new_symbols(definition,[sP25])]) ).

thf(sP26,plain,
    ( sP26
  <=> ! [X1: $i] : ( irel @ X1 @ X1 ) ),
    introduced(definition,[new_symbols(definition,[sP26])]) ).

thf(sP27,plain,
    ( sP27
  <=> ( ~ ! [X1: $i] :
            ( ( irel @ eigen__1 @ X1 )
           => ( a @ X1 ) )
     => ! [X1: $i] :
          ( ( irel @ eigen__1 @ X1 )
         => ~ ! [X2: $i] :
                ( ( irel @ X1 @ X2 )
               => ( a @ X2 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP27])]) ).

thf(sP28,plain,
    ( sP28
  <=> ! [X1: $i] :
        ( ( irel @ eigen__7 @ X1 )
       => ( a @ X1 ) ) ),
    introduced(definition,[new_symbols(definition,[sP28])]) ).

thf(sP29,plain,
    ( sP29
  <=> ! [X1: $i] :
        ( ( irel @ eigen__1 @ X1 )
       => ~ ! [X2: $i] :
              ( ( irel @ X1 @ X2 )
             => ( a @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[sP29])]) ).

thf(sP30,plain,
    ( sP30
  <=> ( ~ sP7
     => sP20 ) ),
    introduced(definition,[new_symbols(definition,[sP30])]) ).

thf(sP31,plain,
    ( sP31
  <=> ( a @ eigen__8 ) ),
    introduced(definition,[new_symbols(definition,[sP31])]) ).

thf(sP32,plain,
    ( sP32
  <=> ( sP10
     => ~ sP3 ) ),
    introduced(definition,[new_symbols(definition,[sP32])]) ).

thf(sP33,plain,
    ( sP33
  <=> ( irel @ eigen__3 @ eigen__7 ) ),
    introduced(definition,[new_symbols(definition,[sP33])]) ).

thf(def_mnot,definition,
    ( mnot
    = ( ^ [X1: $i > $o,X2: $i] : ( (~) @ ( X1 @ X2 ) ) ) ) ).

thf(def_mor,definition,
    ( mor
    = ( ^ [X1: $i > $o,X2: $i > $o,X3: $i] :
          ( ( X1 @ X3 )
          | ( X2 @ X3 ) ) ) ) ).

thf(def_mand,definition,
    ( mand
    = ( ^ [X1: $i > $o,X2: $i > $o,X3: $i] :
          ( ( X1 @ X3 )
          & ( X2 @ X3 ) ) ) ) ).

thf(def_mimplies,definition,
    ( mimplies
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mor @ ( mnot @ X1 ) @ X2 ) ) ) ).

thf(def_mbox_s4,definition,
    ( mbox_s4
    = ( ^ [X1: $i > $o,X2: $i] :
        ! [X3: $i] :
          ( ^ [X4: $o,X5: $o] :
              ( X4
             => X5 )
          @ ( irel @ X2 @ X3 )
          @ ( X1 @ X3 ) ) ) ) ).

thf(def_iatom,definition,
    ( iatom
    = ( ^ [X1: $i > $o] : X1 ) ) ).

thf(def_inot,definition,
    ( inot
    = ( ^ [X1: $i > $o] : ( mnot @ ( mbox_s4 @ X1 ) ) ) ) ).

thf(def_itrue,definition,
    ( itrue
    = ( ^ [X1: $i] : $true ) ) ).

thf(def_ifalse,definition,
    ( ifalse
    = ( inot @ itrue ) ) ).

thf(def_iand,definition,
    ( iand
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mand @ X1 @ X2 ) ) ) ).

thf(def_ior,definition,
    ( ior
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mor @ ( mbox_s4 @ X1 ) @ ( mbox_s4 @ X2 ) ) ) ) ).

thf(def_iimplies,definition,
    ( iimplies
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( mimplies @ ( mbox_s4 @ X1 ) @ ( mbox_s4 @ X2 ) ) ) ) ).

thf(def_iimplied,definition,
    ( iimplied
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( iimplies @ X2 @ X1 ) ) ) ).

thf(def_iequiv,definition,
    ( iequiv
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( iand @ ( iimplies @ X1 @ X2 ) @ ( iimplies @ X2 @ X1 ) ) ) ) ).

thf(def_ixor,definition,
    ( ixor
    = ( ^ [X1: $i > $o,X2: $i > $o] : ( inot @ ( iequiv @ X1 @ X2 ) ) ) ) ).

thf(def_ivalid,definition,
    ( ivalid
    = ( ^ [X1: $i > $o] :
        ! [X2: $i] : ( X1 @ X2 ) ) ) ).

thf(def_isatisfiable,definition,
    ( isatisfiable
    = ( ^ [X1: $i > $o] :
        ? [X2: $i] : ( X1 @ X2 ) ) ) ).

thf(def_icountersatisfiable,definition,
    ( icountersatisfiable
    = ( ^ [X1: $i > $o] :
        ? [X2: $i] : ( (~) @ ( X1 @ X2 ) ) ) ) ).

thf(def_iinvalid,definition,
    ( iinvalid
    = ( ^ [X1: $i > $o] :
        ! [X2: $i] : ( (~) @ ( X1 @ X2 ) ) ) ) ).

thf(con,conjecture,
    ! [X1: $i] :
      ~ ! [X2: $i] :
          ( ( irel @ X1 @ X2 )
         => ~ ! [X3: $i] :
                ( ( irel @ X2 @ X3 )
               => ( ~ ! [X4: $i] :
                        ( ( irel @ X3 @ X4 )
                       => ( a @ X4 ) )
                 => ! [X4: $i] :
                      ( ( irel @ X3 @ X4 )
                     => ~ ! [X5: $i] :
                            ( ( irel @ X4 @ X5 )
                           => ( a @ X5 ) ) ) ) ) ) ).

thf(h1,negated_conjecture,
    ~ ! [X1: $i] :
        ~ ! [X2: $i] :
            ( ( irel @ X1 @ X2 )
           => ~ ! [X3: $i] :
                  ( ( irel @ X2 @ X3 )
                 => ( ~ ! [X4: $i] :
                          ( ( irel @ X3 @ X4 )
                         => ( a @ X4 ) )
                   => ! [X4: $i] :
                        ( ( irel @ X3 @ X4 )
                       => ~ ! [X5: $i] :
                              ( ( irel @ X4 @ X5 )
                             => ( a @ X5 ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[con]) ).

thf(h2,assumption,
    sP24,
    introduced(assumption,[]) ).

thf(1,plain,
    ( ~ sP7
    | ~ sP33
    | ~ sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(2,plain,
    ( ~ sP30
    | sP7
    | sP20 ),
    inference(prop_rule,[status(thm)],]) ).

thf(3,plain,
    ( ~ sP12
    | sP30 ),
    inference(all_rule,[status(thm)],]) ).

thf(4,plain,
    ( ~ sP4
    | sP12 ),
    inference(all_rule,[status(thm)],]) ).

thf(5,plain,
    ( ~ sP25
    | ~ sP20
    | sP31 ),
    inference(prop_rule,[status(thm)],]) ).

thf(6,plain,
    ( ~ sP23
    | sP25 ),
    inference(all_rule,[status(thm)],]) ).

thf(7,plain,
    ( sP15
    | ~ sP31 ),
    inference(prop_rule,[status(thm)],]) ).

thf(8,plain,
    ( sP15
    | sP9 ),
    inference(prop_rule,[status(thm)],]) ).

thf(9,plain,
    ( sP28
    | ~ sP15 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__8]) ).

thf(10,plain,
    ( sP21
    | ~ sP28 ),
    inference(prop_rule,[status(thm)],]) ).

thf(11,plain,
    ( sP6
    | ~ sP21 ),
    inference(prop_rule,[status(thm)],]) ).

thf(12,plain,
    ( sP6
    | sP33 ),
    inference(prop_rule,[status(thm)],]) ).

thf(13,plain,
    ( sP11
    | ~ sP6 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__7]) ).

thf(14,plain,
    ( ~ sP22
    | ~ sP19
    | ~ sP11 ),
    inference(prop_rule,[status(thm)],]) ).

thf(15,plain,
    ( ~ sP18
    | ~ sP17
    | ~ sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(16,plain,
    ( ~ sP13
    | sP18
    | sP19 ),
    inference(prop_rule,[status(thm)],]) ).

thf(17,plain,
    ( ~ sP1
    | sP4 ),
    inference(all_rule,[status(thm)],]) ).

thf(18,plain,
    ( ~ sP24
    | sP22 ),
    inference(all_rule,[status(thm)],]) ).

thf(19,plain,
    ( ~ sP8
    | sP13 ),
    inference(all_rule,[status(thm)],]) ).

thf(20,plain,
    ( ~ sP5
    | sP8 ),
    inference(all_rule,[status(thm)],]) ).

thf(21,plain,
    ( sP14
    | sP23 ),
    inference(prop_rule,[status(thm)],]) ).

thf(22,plain,
    ( sP14
    | sP2 ),
    inference(prop_rule,[status(thm)],]) ).

thf(23,plain,
    ( sP29
    | ~ sP14 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__3]) ).

thf(24,plain,
    ( sP27
    | ~ sP29 ),
    inference(prop_rule,[status(thm)],]) ).

thf(25,plain,
    ( sP16
    | ~ sP27 ),
    inference(prop_rule,[status(thm)],]) ).

thf(26,plain,
    ( sP16
    | sP17 ),
    inference(prop_rule,[status(thm)],]) ).

thf(27,plain,
    ( sP3
    | ~ sP16 ),
    inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__1]) ).

thf(28,plain,
    ( ~ sP32
    | ~ sP10
    | ~ sP3 ),
    inference(prop_rule,[status(thm)],]) ).

thf(29,plain,
    ( ~ sP26
    | sP10 ),
    inference(all_rule,[status(thm)],]) ).

thf(30,plain,
    ( ~ sP1
    | sP5 ),
    inference(all_rule,[status(thm)],]) ).

thf(31,plain,
    ( ~ sP24
    | sP32 ),
    inference(all_rule,[status(thm)],]) ).

thf(trans_axiom,axiom,
    sP1 ).

thf(refl_axiom,axiom,
    sP26 ).

thf(32,plain,
    $false,
    inference(prop_unsat,[status(thm),assumptions([h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,h2,trans_axiom,refl_axiom]) ).

thf(33,plain,
    $false,
    inference(tab_negall,[status(thm),assumptions([h1,h0]),tab_negall(discharge,[h2]),tab_negall(eigenvar,eigen__0)],[h1,32,h2]) ).

thf(34,plain,
    $false,
    inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[33,h0]) ).

thf(0,theorem,
    ! [X1: $i] :
      ~ ! [X2: $i] :
          ( ( irel @ X1 @ X2 )
         => ~ ! [X3: $i] :
                ( ( irel @ X2 @ X3 )
               => ( ~ ! [X4: $i] :
                        ( ( irel @ X3 @ X4 )
                       => ( a @ X4 ) )
                 => ! [X4: $i] :
                      ( ( irel @ X3 @ X4 )
                     => ~ ! [X5: $i] :
                            ( ( irel @ X4 @ X5 )
                           => ( a @ X5 ) ) ) ) ) ),
    inference(contra,[status(thm),contra(discharge,[h1])],[33,h1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYO062^4.002 : TPTP v8.1.2. Released v4.0.0.
% 0.00/0.13  % Command  : lash -P picomus -M modes -p tstp -t %d %s
% 0.12/0.32  % Computer : n006.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 300
% 0.12/0.32  % DateTime : Sat Aug 26 03:38:07 EDT 2023
% 0.12/0.33  % CPUTime  : 
% 0.18/0.62  % SZS status Theorem
% 0.18/0.62  % Mode: cade22grackle2xfee4
% 0.18/0.62  % Steps: 2460
% 0.18/0.62  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------